SOU - IAD

$602 Find Cheap Flights from Southampton to Washington, D.C. - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$869
Typical prices: $706-$815
KLM
Tue 10/9Tue 10/16
SOU - IAD • 1 stop
Cheapest one-way
$602
Typical prices: $425-$772
Multiple Airlines
Fri 11/23
SOU - IAD • 2 stops
When to travel
July
Cheapest • 10% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dublin (DUB)
Cheapest • Avg $767 (round-trip)
Amsterdam Schiphol (AMS)
Shortest trip • 10h 42m (one-way)
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
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Booking Insights
Flight Deals

Cheap Flights from Southampton to Dulles Intl (SOU-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Southampton to Dulles Intl

Fri, Oct 9 - Fri, Oct 16
KLM Logo
9:05 am - 3:35 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 30m1 stop Amsterdam Schiphol
KLM Logo
5:30 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 15m1 stop Amsterdam Schiphol
$869KLM
Thu, Oct 29 - Thu, Nov 5
Delta Logo
8:40 am - 4:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
12h 05m1 stop Amsterdam Schiphol
Delta Logo
11:10 am - 8:10 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
16h 00m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$891Delta
Thu, Oct 29 - Thu, Nov 5
Delta Logo
8:40 am - 4:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
12h 05m1 stop Amsterdam Schiphol
Delta Logo
11:10 am - 8:10 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
16h 00m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$892Delta
Thu, Oct 29 - Thu, Nov 5
KLM Logo
5:20 pm - 4:55 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
27h 35m1 stop Amsterdam Schiphol
KLM Logo
5:45 pm - 4:50 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
18h 05m1 stop Amsterdam Schiphol
$893KLM
Thu, Oct 29 - Thu, Nov 5
Delta Logo
8:40 am - 11:16 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
18h 36m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
11:10 am - 8:10 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
16h 00m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$896Delta
Thu, Oct 29 - Thu, Nov 5
Delta Logo
8:40 am - 11:16 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
18h 36m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
11:10 am - 8:10 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
16h 00m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$897Delta
Thu, Oct 29 - Thu, Nov 5
Delta Logo
8:40 am - 11:16 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
18h 36m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
11:10 am - 8:10 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
16h 00m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$898Delta
Fri, Oct 9 - Fri, Oct 16
Delta Logo
9:05 am - 11:26 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
19h 21m2 stops Amsterdam Schiphol Minneapolis St Paul
Delta Logo
12:30 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
15h 15m2 stops New York John F Kennedy Intl Amsterdam Schiphol
$906Delta
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
9:05 am - 3:35 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
11h 30m1 stop Amsterdam Schiphol
Multiple Airlines Logo
5:30 pm - 8:35 amIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
10h 05m1 stop Amsterdam Schiphol
$954Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Aer Lingus Logo
8:00 pm - 3:45 pmSOU  Southampton Eastleigh-IAD Washington, D.C. Dulles Intl
24h 45m1 stop Dublin
Aer Lingus Logo
5:15 pm - 4:50 pmIAD  Washington, D.C. Dulles Intl-SOU Southampton Eastleigh
18h 35m1 stop Dublin
$969Aer Lingus
Booking Insights

Price, demand and travel trends for Southampton to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Southampton to Washington, D.C. Dulles Intl Airport with more confidence.

How much is a round-trip flight from Southampton to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Southampton to Washington, D.C. Dulles Intl Airport start at $869. Prices are above average for this route right now, with typical round-trip fares ranging from $706 to $815. The lowest price found in the past 5 days was $869 on KLM.

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Key details for Southampton to Washington, D.C. Dulles Intl Airport flights

Low season

January

Cheapest flight

$602
Most popular time to fly with an average 3% increase in price.
Flight from Southampton to Washington, D.C. Dulles Intl Airport

When to book flights from Southampton to Dulles Intl

Are your dates flexible? Find out the best times to travel from Southampton to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Southampton to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Southampton to Washington, D.C. Dulles Intl Airport?

    Flights from Southampton to Washington, D.C. Dulles Intl Airport usually depart from Southampton Eastleigh (SOU) and arrive at Washington, D.C. Dulles Intl (IAD).

  • What cabin classes can I book on flights from Southampton to Washington, D.C. Dulles Intl Airport?

    Only Economy Class is available on flights from Southampton to Washington, D.C. Dulles Intl Airport.

  • Which airports do connecting flights from Southampton to Washington, D.C. Dulles Intl Airport pass through?

    Connecting flights from Southampton to Washington, D.C. Dulles Intl Airport most commonly pass through:

    • Dublin (DUB) - 92% of one-stop connections
    • Amsterdam Schiphol (AMS) - 8% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Southampton to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 14% on the Southampton to Washington, D.C. Dulles Intl Airport route. Thursday is the cheapest departure day at $706 round-trip on average, while Tuesday is the most expensive at $815, a difference of $109. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • How long is a flight from Southampton to Washington, D.C. Dulles Intl Airport?

    There are currently no nonstop flights available from Southampton to Washington, D.C. Dulles Intl Airport. Flights with 1 layover take between 10h 42m and 11h 48m in total, depending on the connection.

  • Do I need a passport to fly from Southampton to Washington, D.C. Dulles Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Southampton to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $869 to $1,867. That means the highest observed fare was about 2x higher than the lowest one.

  • How are flight prices from Southampton to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Southampton to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $626, which is 13% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Southampton to Washington, D.C. Dulles Intl Airport?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 10h 42m, compared with 11h 48m via Dublin (DUB).

  • What is the time difference between Southampton and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 5 hours behind Southampton (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    · Dollar
    · Budget
    · Hertz
    · Sixt
    · Thrifty

  • How much should I expect to pay for a Southampton to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Southampton to Washington, D.C. Dulles Intl Airport range from $706 to $815, with an average of $774 over the past 12 months. Anything below $706 counts as a good deal.

Your guide to booking Southampton to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $706 - about $109 less than Tuesday (13% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Southampton to Washington, D.C. Dulles Intl Airport trip for July. Fares historically average $700 round-trip in that month - typically $704 less than the most expensive month, which is April (based on the last 12 months).

Everything you need to know for your flight from Southampton to Dulles Intl

Information on your arrival and departure airports

Southampton (SOU)
Dulles Intl (IAD)